What is a database firewall? What's the difference with the traditional Web firewall?

First of all, what is a database firewall? Based on the active defense mechanism, the database firewall realizes access control to the database, prevents or intercepts malicious and dangerous operations, and audits suspicious behaviors. The database firewall can analyze the SQL protocol, and decide to allow legal SQL operations to pass and prohibit suspicious illegal operations according to the preset white list and blacklist policies, thus forming a peripheral defense circle of the database.

What's the difference between database firewall and traditional firewall? There is a big difference. First of all, the database firewall is deployed in a different location from the traditional firewall. The database firewall is deployed at the front end of the database server. Traditional firewalls are deployed at the network boundary; Database firewall is an sql statement of database traffic, and traditional firewall solves network traffic; Database firewall is protected by database protocol, while traditional firewall is protected by 2-7 layer network protocol, and the protected objects are different. Database firewall is based on network and database protocol analysis and control technology to achieve access control to the database, which can protect it, such as effectively preventing data leakage and malicious tampering caused by batch downloading. Traditional firewalls, IPS, waf, etc. Identify network layer protocols.

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